<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <!-- 把hobby交给jump去处理 -->
        <p>{{ hobby | sing }}</p>
    </div>

    <script src="./vue.js"></script>

    <script>
        new Vue({
            el: '#app',
            data: {
                hobby: '我的兴趣是:'
            },

            // 写过滤器的地方
            filters: {

                sing (val) {

                    // console.log('jump过滤器调用了,原材料是',val)
                    return val + '唱'
                }
            }
        })
    </script>
</body>
</html>